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1.25ct D SI2 Round Natural Diamond

EX • D/SI2 • HRD 250000186142

Certificate HRD 250000186142

Diamond specifications and retailer prices

From £1,507 GBP
₹192,339 INR
As of October 31, 2026
Save £2,642 GBP (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,150 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 250000186142. Listed at 15 retailers as of October 30, 2026, with prices from £1,507 to £4,150, a £2,642 spread on the same certified stone. NZ Jewellers lists it at £4,150. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.25
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginNatural
Grading LabHRD
CertificateHRD 250000186142
Dimensions6.86 × 6.83 × 4.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.86 mm6.83 mm1.25 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 250000186142
Side View
Table 55.0%Crown 36.6°Girdle: MED-MEDPavilion 40.6°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,150 GBP|Low: £1,503 GBP|High: £4,203 GBP|Avg: £2,317 GBP|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 2£1,507 GBP
Retailer 13£1,696 GBP
Retailer 10£1,795 GBP
Retailer 3£1,831 GBP
Retailer 9£1,916 GBP
Retailer 14£1,983 GBP
Retailer 5£1,984 GBP
Retailer 12£2,061 GBP
Retailer 6£2,290 GBP
Retailer 11£2,322 GBP
Retailer 7£2,351 GBP
Retailer 4£2,886 GBP
Retailer 8£3,496 GBP
NZ Jewellers£4,150 GBP

34 data points across 14 retailers

15 retailers£1,507 GBP to £4,150 GBP

A
Cheapest Retailer
-
£1,507 GBP
₹192,339 INR
A
Retailer 2
-
£1,696 GBP
SGD 3,070 SGD
View
A
Retailer 3
-
£1,795 GBP
$2,405 USD
View
A
Retailer 4
-
£1,831 GBP
$2,454 USD
View
Final sale: no returns
A
Retailer 5
-
£1,916 GBP
$2,567 USD
View
A
Retailer 6
-
£1,983 GBP
CA$3,690 CAD
View
A
Retailer 7
-
£1,984 GBP
$2,659 USD
View
A
Retailer 8
-
£2,061 GBP
A$4,248 AUD
View
A
Retailer 9
-
£2,061 GBP
$2,762 USD
View
A
Retailer 10
-
£2,290 GBP
$3,069 USD
View
A
Retailer 11
-
£2,322 GBP
View
A
Retailer 12
-
£2,351 GBP
€3,000 EUR
View
A
Retailer 13
-
£2,886 GBP
$3,867 USD
View
A
Retailer 14
-
£3,496 GBP
View
Most Expensive
B+
NZ Jewellers
ec5069ce-888a-4e92-8e67-842eca80f908 · Oct 30
£4,150 GBP
$5,560 USD
View
14 more retailers have this diamond
Prices start from £1,507 GBPSave up to £2,642 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.25ct Round
£1,507 GBP